package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.service.MemberService;
import com.itheima.service.ReportService;
import com.itheima.service.SetmealService;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * 统计报表
 */
@RestController
@RequestMapping("/report")
public class ReportController {

    @Reference
    private MemberService memberService;
    @Reference
    private SetmealService setmealService;
    @Reference
    private ReportService reportService;

    /**
     * 根据日期统计会员注册情况
     *
     * @return
     */
    @RequestMapping("/getMemberReport")
    public Result getMemberReport() {
        //获取日历对象
        Calendar instance = Calendar.getInstance();
        //获得当前日期之前12个月的日期
//        instance.add(Calendar.MONTH,-12);
        instance.add(Calendar.YEAR, -1);
        //创建容器保存每月日期 {2020.01，2020.02，...}
        List<String> list = new ArrayList<>();
        for (int i = 0; i < 12; i++) {
            instance.add(Calendar.MONTH, 1);
            //将每月的日期字符串添加到集合中
            list.add(new SimpleDateFormat("yyyy.MM").format(instance.getTime()));
        }
        //创建Map集合保存前端需要的数据
        Map<String, Object> map = new HashMap<>();
        map.put("months", list);//data: res.data.data.months
        try {
            //通过日期统计会员注册数量
            List<Integer> memberCount = memberService.findMemberCountByMonth(list);
            //将统计的会员数量添加到map集合中
            map.put("memberCount", memberCount);//data: res.data.data.memberCount
            return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, map);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_MEMBER_NUMBER_REPORT_FAIL);
        }
    }

    /**
     * 统计套餐预约情况
     *
     * @return
     */
    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport() {
        try {
            //从预约信息表中统计出每种套餐预约量[{套餐A,预约量a},{套餐B,预约量b},...]
            List<Map<String, Object>> list = setmealService.findSetmealCount();
            //使用map容器保存前端需要的Json格式数据（data:res.data.data.setmealCount）
            Map<String, Object> map = new HashMap<>();
            map.put("setmealCount", list);
            //获取所有套餐名称[套餐A，套餐B，...]
            ArrayList<String> setmealNames = new ArrayList<>();
            for (Map<String, Object> m : list) {
                String name = (String) m.get("name");
                setmealNames.add(name);
            }
            //data: res.data.data.setmealNames
            map.put("setmealNames", setmealNames);
            return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS, map);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);
        }
    }

    /**
     * 获取运营统计数据
     *
     * @return
     */
    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData() {
        try {
            Map<String, Object> result = reportService.getBusinessReportData();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS, result);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    /**
     * 导出运营数据
     *
     * @param request
     * @param response
     * @return
     */
    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response) {
        try {
            Map<String, Object> result = reportService.getBusinessReportData();
            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            String filePath = request.getSession().getServletContext().getRealPath("template") + File.separator + "report_template.xlsx";
            //基于提供的Excel模板文件在内存中创建一个Excel表格对象
            XSSFWorkbook excel = new XSSFWorkbook(new FileInputStream(new File(filePath)));
            //读取第一个工作表
            XSSFSheet sheet = excel.getSheetAt(0);

            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for (Map map : hotSetmeal) {//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            //使用输出流进行表格下载,基于浏览器作为客户端下载
            OutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");//代表的是Excel文件类型
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");//指定以附件形式进行下载
            excel.write(out);

            out.flush();
            out.close();
            excel.close();
            return null;
        } catch (Exception e) {
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    /**
     * 导出运营数据到pdf并提供客户端下载
     */
    @RequestMapping("/exportBusinessReport4PDF")
    public Result exportBusinessReport4PDF(HttpServletRequest request, HttpServletResponse response) {
        try {
            Map<String, Object> result = reportService.getBusinessReportData();
            //取出返回结果数据，准备将报表数据写入到PDF文件中
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");
            //动态获取模板文件绝对磁盘路径
            String jrxmlPath = request.getSession().getServletContext().getRealPath("template")
                    + File.separator + "health_business3.jrxml";
            String jasperPath = request.getSession().getServletContext().getRealPath("template")
                    + File.separator + "health_business3.jasper";
            //编译模板
            JasperCompileManager.compileReportToFile(jrxmlPath, jasperPath);
            //填充数据---使用JavaBean数据源方式填充
            JasperPrint jasperPrint =
                    JasperFillManager.fillReport(jasperPath, result,
                            new JRBeanCollectionDataSource(hotSetmeal));
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/pdf");
            response.setHeader("content-Disposition",
                    "attachment;filename=report.pdf");
            //输出文件
            JasperExportManager.exportReportToPdfStream(jasperPrint, out);
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }
//套餐收入
    @RequestMapping("/setMealIncome")
    public Result setMealIncome(@RequestBody Map map){
        try{
            String start=(String)map.get("start");
            String end=(String)map.get("end");
            String startTime=start.substring(0,10);
            String endTime = end.substring(0,10);
            Map<String,Object> result= setmealService.findSetmealIncome(startTime,endTime);
            return new Result(true,"预约统计数据成功",result);

        }catch (Exception e){
            e.printStackTrace();
            return new Result(false,"获取预约统计数据失败");
        }
    }


    //套餐收入(默认页面)
    @RequestMapping("/setMealIncome1")
    public Result setMealIncome(){
        try{

            Map<String,Object> result= setmealService.findSetmealIncome();
            return new Result(true,"预约统计数据成功",result);

        }catch (Exception e){
            e.printStackTrace();
            return new Result(false,"获取预约统计数据失败");
        }
    }








    //后台数据统计 每日预约，每日到诊数
    @RequestMapping("/getOrderVisit")
    public Result getOrderVisit(@RequestBody Map map){
        try {
            String start=(String)map.get("start");
            String end=(String)map.get("end");
            String startTime=start.substring(0,10);
            String endTime = end.substring(0, 10);
            Map<String,Object> result=reportService.getOrderVisitDate(startTime,endTime );
            return new Result(true,"获取预约统计数据成功",result);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,"获取预约统计数据失败");
        }

    }


    @RequestMapping("/getOrderVisit1")
    public Result getOrderVisit(){
        try {
            Map<String,Object> result=reportService.getOrderVisitDate();
            return new Result(true,"获取预约统计数据成功",result);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,"获取预约统计数据失败");
        }

    }




    //根据年龄段统计会员
    @RequestMapping("/ageGroup")
    public Result ageGroup() {
        try {
            Map<String, Object> result = memberService.findAgeGroup();
            return new Result(true, "获取预约统计数据成功", result);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, "获取预约统计数据失败");
        }
    }

}
